The accusharp diamondpro 2-step knife sharpener features pre-angled coarse diamond and fine ceramic rods to sharpen, restore, and then polish a blades edge.The diamond rods are aggressive enough to sharpen all types of blades.The flip side consists of two ceramic rods used to finish and polish the edge for a smooth, sharp finish.The diamondpro 2-step exterior is made of brushed aluminum and finished with a rubber molded grip and rubber feet for safety.The unit has a lanyard hole which allows for easy attachment to cord or string.Sheath: NoneHandle Description: AluminumSharpener Material: DiamondSharpener Type: Fine, Coarse